103805-58-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 103805-58-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,3,8,0 and 5 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 103805-58:
(8*1)+(7*0)+(6*3)+(5*8)+(4*0)+(3*5)+(2*5)+(1*8)=99
99 % 10 = 9
So 103805-58-9 is a valid CAS Registry Number.
103805-58-9Relevant articles and documents
Synthesis of Naturally Occurring Chromenes
Mali, R. S.,Manekar, Anita R.,Tilve, S. G.
, p. 1090 - 1092 (2007/10/02)
Naturally occurring chromenes (3a), E- and Z-werneriachromenes (3d and 3e), E- and Z-lonchocarpenes (3f and 3g) and chromene (3b) have been conveniently synthesised either in one or two steps.